Water-closet.



PATENTED MAR. 5. 1907.

J. W. SHARP, JR.

, WATER CLOSET. APPLICATION FI LED NOV. 2], 1906.

f/ZZ/LGIJGJI i rm: NORRIS P: c.

formed. All of the features thus far dechambers,

UNITED PATENT OFFICE.

HAINES, JONES AND OADBURY COMPANY,

OF PENNSYLVANIA.

SYLVANIA, A CORPORATION OF PHILADELPHIA, PENN- WATER-CLOSET.

Specification of Letters Patent.

Patented March 5, 1907.

Application filed November 21, 1906. Serial No. 344,401.

To all whom, it may concern:

Be it known that I, Josnrn W. SHARP, Jr., a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented new and useful Improvements in "ater- Closets, of which the following is a specification.

The present invention relates to w aterelosets of the siphon-jet type, and has for its object to provide a construction of closetbowl which may be readily molded from vitreous material, which will result in a closet in which the noise of ilushing due to pocketing of air is practically eliminated, one in which a strong and effective siphon action is secured, and, furthermore, in which an ample volume of water to give the necessary relill for the bowl after flushing will be provided without the necessity of increasing to a cumbersome degree the size of the bowl and without the necessity of the usual mechanical devices in the flushing-valve now used to insure the water seal in the bowl.

In order that the invention may be clear to those skilled in the art, I have illustrated in .the accompanying drawings one embodiment of my invention, and in said drawings Figure 1 is avertical section of a bowl designed in accordance with my improvements. Fig. 2 is a vertical section on line 2 2- of Fig. 1 looking in the direction of the arrow. tail sectional view of a 'lushingrim slightly modified over the construction shown in Fig. 1. Fig. 4 is a detail sectional view to show a modified arrangement of the flushing chamber or passage shown in Fig. 1.

Referring to the drawings by referenceletters, the same letters indicating the same parts in the several views, A denotes the bowl proper, which is of the usual or any desired shape, having the base portion with sewerpipeeonnection and the top portion provided with the usual holes, as shown at (1', for the seat-hinge, all in the customary manner. The bowl A has as well the up-leg B of the siphon and the down-leg C of the siphonleading to the closet-discharge, and at the rear of the bowl the usual supply connection D is Fig. 3 is a del 1 shown in dotted lines in Fig. 1, to the bottom of the bowl proper, where it delivers to a con- 1 stricted siphon jet-port E, entering the botthe up-leg B of the siphon. The passage D is provided at a point below the normal water-level in the bowl with a second port or passage F, (see dotted lIDGS, Fig. 1,) delivermg to a chamber G, which entirely surrounds the bowl, the bottom of this chamber G slopl ing to the port F, so as to insure complete l drainage of the chamber, as will hereinafter l appear. The said bond-encircling chamber G is of considerable capacity and communil eates with a flushing chamber or passage H, l surrounding the inner rim of the bowl, said llushing-chamber H and the chamber G being divided from each other by means of a partition or dam I, forming practically an I extension of the wall of the bowl and which i is preferably, but not necessarily, of greater 1 height at the rear than at the front of the bowl, as shown, to offset the tendency of the l water rushing into chamber G to rush over i the rear of the wall I first, it being desirable to have a simultaneous flow of the water 1 from chamber Gr over the dam or wall I. An equivalent construction to secure this simultaneous overflow would be that shown in l, F ig. 3, in which the rear of the dam I is provided with openings and supports 01, alternately arranged so as to restrict the flow at substantially simull this point and secure a l taneous flushing around the circumference l of the bowl. The chamber or passage H may 1 be provided in its bottom with a series of l llushing holes or perforations h, which deliver to the walls of the bowl A, or it may be constructed as an open passage h, as shown in Fig. 4. \Vith this construction water from the supply will rush down the supply-passage D when the closet is flushed, a part of the l water passing to the jet-port E to start the l siphon action while the bowl flushing water will enter the chamber G through the port F. 1 It will be observed that the arrangement of l the ports E and F is such that no air is trapped l in the passages or chambers of the closet for, i as regards the port E and its connected they are normally filled with watom of the bowl and directed upwardly into,

general construction and ter and no air is trapped in them, and with respect to the port F it will be observed that as l this enters the chamber G at the lowest point scribed are in their arrangement similar to closets now in use. The supply-p assage D leads downwardly,

and below the normal water-level of the bowl, so that the air in the chamber G is driven out through the flushing-chamber H in advance of the water and without noise. This result is more surely secured by reason of the fact that the water rising in the chamber G pours over the dam or extension 1 into the chamber or passage H simultaneously throughout the entire circumference of the chamber or passage H and does not, as is customary, enter this chamber or passage ii at one point and then travel circumferentially around the bowl compressing the air in the chamber and forcing it out commingled with water with a resultant hissing sound.

\Vhen the closet is flushed by means of a flushing-valve not vented to air, it will be obvious that as the ports or passages E and F from the supply-passage D are below the normal water-level in the bowl 1 can maintain a suspended column of water in the supplypipe, since there is no break in the body of water from the surface of the water seal in the bowl to the ilushingvalve in the supplypipe, and this result is secured by carrying the passage 1) and its ports l) and i below the normal water-level of the seal in the bowl. With this type of closet, therefore, a practically noiseless operation is secured, since there. is no air between the i'lushing valve in the supply-pipe and the flushing ports and chambers and the siphon-legs in the closet that can be trapped orcommingled with the water, but the air in the down-leg of the siphon and chambers G and H is driven noiselessly out in advance of the incoming body of water when the closet is ilushed. if the closet is used in connection with an open [lush-tank, the air in the tank fluslnpipe will be expelled and ex- 1 panded into the relatively large chamber G without noise, from which chamber it will be quietly expelled by the advancing body of water over the dam I into the chamber or passage H and out into the bowl.

In addition to the function of the chamber G above described-namely, that of supplying the flushing-water to the flushing-chamber H in a noiseless fashionit has the. further advantage of furnishing a good refillsupply for the bowl, thus insuring the keeping intact at all times of the water seal without the necessity of the expensive and complicated flushing-valve fixtures to provide the water seal, which fixtures are at times uncertain in operation and are always a source of noise. It will be observed that this refill-chamber G is of considerable capacity, since it surrounds the entire closet, and, as has been above stated, the port F is at the lowest point in the refill-chamber G, so that after flushing the water remaining in the chamber G will flow back through the port 1 into the bowl and bring up the water seal to its normal level. This refill feature is of great importance, and the construction which I have invented is such that a sufficient volumn of water for refilling is secured without the necessity of increasing to a cumbersome degree the size of the closet.

it will be observed that the dam I is, as stated, practically an extension of the wall of the bowl, the large refill-chamber G and the small flushing chamber or passage 11 being molded about the .upper edge of the bowl extension or rim, as shown and described, so that a circumferential connection between the chambers is formed, and this connection is, as shown and described, made varying in its capacity for flow either by varying the height of the dam I or by providing the' con struction shown in Fig. 3.

Obviously the chamber or passage H may be small, since it does not have to carry the body of flushing-water around the rim, this water simply pouring over the dam or extension 1. at all points, and this construction results in a very slight overhang or projection l interiorly of the bowl, which for obvious sanitary reasons is desirable, as such a construction does not readily foul and may be conveniently and easily cleaned. Furthermore, this small chamber or passage H does not materially lessen the bowl-opening and permits the use of a seat having a large hole 'wi thout having to increase the bowl diameter.

From the foregoing it will be seen that the closet which I have invented may be readily modeled or cast, that its dimensions and shape may be restricted to convenient and pleasing proportions, that it is entirely satisfactory from a sanitary standpoint, that it is ellicient and noiseless in action, and that seal ing of the bowl is at all times insured. While 1 have shown a particular construci tion, and that. the best now known to me, it i will be understood that since the arrangement of the passages and ports may to some extent be varied within the skill of the l maker, I do not limit myself to details of construction as herein set forth, except in so far as 1 am limited by the prior art to which this invention belongs.

Having fully disclosed my invention, I claim- 1. A closet-bowl having a suitable siphonpassage, a. supply-passage, a jet-port in said supply-passage delivering to said siphonpassage a l)owl-encircling chamber, a second port leading from said supply-passage to said bowl-encircling chamber, and a bowlilushing chamber or passage in communication circuniferentially with said bowl-encircling chamber.

2. A closet-bowl having a siphon-passage, a supply-passage, a jetport in said supplypassage delivering to said siphon-passage, a

I bowl-encircling chamber a second port lead ing from said supply-passage to said bowlencircling chamber, and a bowl-flushing l chamber or passage in open communication IIO with said first-named chamber throughout its entire circumference.

8. A closet-bowl having a bowl-encircling chamber, a bowl-flushing chamber or passage delivering to said bowl and having open communication with said first-named chamber throughout its entire circumference, siphon -passage' communicating with the bowl, and a supply-passage delivering to said siphon-passage and said bowlencircling chamber.

4. A closet-bowl having a bowl-encircling chamber, a bowl-flushing chamber or pass sage deliverim to said bowl, a circumferential dam or bowl extension between said chambers, a suitable siphon-passage communicating with the bowl, and a supply-passage delivering to said bowl-encircling chamber and said si hon-passage.

5. A closetowl comprising a bowl-encircling chamber having an inclined bottom, a bowl-flushing chamber or passage delivering to said bowl, a circumferential dam or bowl extension between said chambers, a suitable siphon-passage communicating with said .bowl, and a supply-passage delivering to said siphon-passage and to the inclined bottom of said bowl-encircling chamber at the lowest point thereof.

6. A closet-bowl having a bowl-encircling chamber, a bowl-flushing chamber or passage delivering to said bowl, a circumferential dam or bowl extension between said chambers, a siphon-passage communicating with the bowl, and a supply-passage delivering through one port to the siphon-passage and through the other port to said bowl-encircling chamber at a point below the normal water-line of the closet.

7. A closet-bowl comprising a bowl-em ferential dam or bowl extension of varying height between said chambers, a siphonpassage communicating with the bowl, and a supply-passage delivering through one port to said siphon-passage and through the other port to said bowlencircling chamber at the lowest point thereof.

9. A closet-bowl comprising a bowl-encircling chambcr, a bowl-flushing chamber or passage delivering to said bowl, a circumferential dam or bowl extension of greater height at its rear than at its front between said chambers, a siphon-passage communicating with the bowl, and a supply-passage delivering through one port to said siphon-passage and through the other port to said bowl-en circling chamber at the lowest point thereof.

10. A closet-bowl having an outer bowlencircling supply and refill chamber, an inner bowl-encircling flushing chamber or passage, and a dam or bowl extension between said chambers.

11. A closet-bowl having an outer bowlcncirclin g supply and refill chamber, an inner bowl-encircling flushing chamber or passage, and a dam or bowl extension of varying height between said chambers.

12. A closet-bowl having an outer bowlencircling supply and refill chamber, an inner bowl-emircling flushing chamber or passage, and a dam or bowl extension of greater height at its rear than at its front between said chambers.

13. A closet-bowl having an outer bowlencircling supply and refill chamber, an inner bowl-em-ircling flushing chamber or passage,

and a circumferential channel of varying capacity connecting said chambers.

14. A closet-bowl having an outer bowlencircling supply and refill chamber, an inner bowl-encircling flushing chamber or passage, and a circumferential channel of less capacity at its rear than at its front connecting said chambers.

In testimony whereof I have hereunto set my hand in presence. of two subscribing wit- DGSSCS.

JOSEPH V. SHARP, JR. Vitnesses:

J os. H. HArNEs,. S. T. DEMPSTER. 

